VIVOTEK Outdoor IP66 IK10 WDR PRO Multisensor Network Camera (VIVOTEK MS9321-EHV) - CPU: Multimedia SoC (System-on-Chip), Operating System: Microsoft Windows 10/8/7 Mac 10.12 (Chrome only), RAM: 4 GB, Flash: 8 GB, Resolution: 7680x2560 (20MP), Image Sensor: 1/2.7" Progressive CMOS, Video Compression: H.265, H.264, MJPEG, IR Illuminators: Built-in IR illuminators, Effective up to 30 meters with Smart IR II, 4 x IR LED, Maximum Streams: 4 simultaneous streams, Audio Capability: Two-way Audio (full duplex), Audio Interface: External microphone input, External line output, Network Users: Live viewing for up to 10 clients, Interface: 10 Base-T/100 Base-TX/1000 Base-T Ethernet (RJ-45), Connectivity: 1 x RJ-45 cable connector for 10/100/1000Mpbs Network/PoE connection, 1 x Audio input, 1 x Audio output, 1 x AC 24V power input, 1 x Digital input, 1 x Digital output